What is the mass in grams of 5.90 mol #C_8H_18#?

1 Answer
Meave60 · P dilip_k
Mar 6, 2016

673 g

Explanation:

The molar mass of #"C"_8"H"_18=8*12+18*1="114g mol"^(-1)"#

So the mass of #"5.90 mole C"_8"H"_18"# will be:

#5.90cancel("mol C"_8"H"_18)xx(114"g C"_8"H"_18)/(1cancel("mol C"_8"H"_18))="673 g C"_8"H"_18"# rounded to three significant figures

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